The phrase "a total upgrade" is correct and usable in written English.
It can be used to describe a complete improvement or enhancement of something, often in the context of technology or services.
Example: "The new software version is a total upgrade from the previous one, offering faster performance and more features."
Alternatives: "a complete enhancement" or "an overall improvement."
Loews will spend some $80 million on a total upgrade of its flagship Regency Hotel in New York next year, and an additional $20 million on improvements on its Philadelphia hotel, starting in November.
Ms Smith, the representative for Norwich North said the region's businesses and economy were being held back by a lack of investment in rail services, while Mr Burns, the MP for Chelmsford, said a "total upgrade of the track" was needed.
In Scotland, driverless trains were part of a $70 million total upgrade plan.
And if Google is thinking that custom add-ons could be a way to spin out the lifespan of a single smartphone, by encouraging people to hold onto a handset for longer and thereby decrease total upgrade wastage over the longer term, well it's not making a big song and dance about that being its mission as yet.
In 2012, the USAF assigned the total upgrade contract to Lockheed Martin.
Quality will be the primary determinant of the number of total upgrades, even if a delay alters the pace of that process.
London will still receive a total £11bn to continue upgrades and new infrastructure, including Crossrail.
A total of 20 were upgraded from 1986 onwards with additional Ferranti Seaspray radar in nose and capability to carry four Sea Skua Anti-ship missiles.
A total of 24 were upgraded to B.1A standard by the addition of Red Steer tail warning radar in an enlarged tailcone and a suite of radar warning receivers and electronic countermeasures (ECM) from 1958 to 1960.
The cost for a small company to upgrade so a total price can be sent through its reservations system runs "in the tens of thousands of dollars," according to Mr. Abrams, the rental analyst.
A new ECRH system is currently being constructed at ASDEX Upgrade with a total power of 4 MW and pulse length of 10 s.
